.lt_main .left_first {
  width: 90px;
  height: 100%;
  float: left;
  position: relative;
}
.lt_main .left_first li {
  width: 100%;
  height: 100%;
  height: 50px;
  line-height: 50px;
  text-align: center;
  border-right: 1px solid red;
  border-bottom: 1px solid red;
  background-color: pink;
}
.lt_main .left_first li.active {
  border-right: none;
  background-color: #fff;
}
.lt_main .right_second {
  overflow: hidden;
  height: 100%;
  position: relative;
}
.lt_main .right_second ul {
  padding-top: 10px;
}
.lt_main .right_second li {
  float: left;
  width: 33.3% ;
}
.lt_main .right_second li img {
  width: 62px;
  height: 62px;
  display: block;
  margin: 0 auto;
}
.lt_main .right_second li p {
  text-align: center;
}
